Award flights from London Stansted (STN) to Washington Dulles (IAD)
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In the last 30 days AwardTool saw award space on 2 programs for STN→IAD. Lowest economy: 21,000 miles + $235.13 (American Airlines AAdvantage). Lowest business class: 57,500 miles + $827.89 (American Airlines AAdvantage). Lowest first class: 85,000 miles + $1,119.49 (American Airlines AAdvantage).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
London Stansted (STN) to Washington Dulles (IAD) at a glance
- From
- London Stansted Airport, London, United Kingdom (STN)
- To
- Washington Dulles International, Washington, D.C., United States (IAD)
- Programs with award space seen
- 2 of 2 programs tracked on this route
- Nonstop award space seen
- Yes, in economy, premium economy and business class, via American Airlines AAdvantage
- Airlines seen on these awards
- American Airlines (AA), Royal Air Maroc (AT), British Airways (BA), Aer Lingus (EI), IBERIA (IB), Turkish Airlines (TK)
- Departures with open awards
- Oct 2026 to Aug 2027
- Most dates with space
- 28 of 28 departure dates checked (American Airlines AAdvantage, premium economy)
- Latest departure with space
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to Washington Dulles (IAD)
Compare programs by cabin
The lowest one-way award each program showed in each cabin, sorted by points.
Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 21,000 pts + $235.13 | 1 stopNonstop from 22,500 pts | American Airlines (AA), British Airways (BA), Aer Lingus (EI), IBERIA (IB) | — | 26 | See dates | |
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | 1 stop | Turkish Airlines (TK) | 1 | 13 | See dates |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 40,000 pts + $686.09 | 1 stopNonstop from 40,000 pts | American Airlines (AA), Royal Air Maroc (AT), British Airways (BA) | — | 28 | See dates |
Not seen in premium economy: Turkish Miles & Smiles.
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 57,500 pts + $827.89 | 1 stopNonstop from 57,500 pts | American Airlines (AA), British Airways (BA) | — | 26 | See dates | |
| Turkish Miles & Smiles | 175,000 pts + taxes not reported | 1 stop | Turkish Airlines (TK) | 1 | 13 | See dates |
First Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 85,000 pts + $1,119.49 | 1 stop | American Airlines (AA), British Airways (BA) | — | 8 | See dates |
Not seen in first class: Turkish Miles & Smiles.
Not seen means AwardTool hasn't observed this cabin on this route in the last 30 days. It doesn't mean the airline has no seats. Dates seen counts departure dates with an open award in that cabin at any price; newest observation is the latest time AwardTool saw one of them. Seats is the count the program reported when we observed it; some programs report at most 9.
Observed award examples
| Departure | Cabin | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|---|
| Economy | American Airlines AAdvantage | 22,500 pts + $189.29 | — | 1 stop | Check this date | ||
| Premium Economy | American Airlines AAdvantage | 40,000 pts + $699.59 | — | Nonstop | Check this date | ||
| Business | Turkish Miles & Smiles | 175,000 pts + taxes not reported | 1 | 1 stop | Check this date |
Prices are one-way per traveler: the program's points or miles plus taxes and carrier fees in USD, as AwardTool observed them in the observation window. Award space changes constantly. A seat we saw may be gone, and space we haven't seen may exist. Always confirm with a live search before transferring points; most transfers can't be reversed.
Nonstop award space
- Economy: nonstop from 22,500 miles via American Airlines AAdvantage, which showed nonstop space on 16 dates.
- Premium economy: nonstop from 40,000 miles via American Airlines AAdvantage, which showed nonstop space on 12 dates.
- Business class: nonstop from 57,500 miles via American Airlines AAdvantage, which showed nonstop space on 16 dates.
Best months to fly from London Stansted (STN) to Washington Dulles (IAD) on points
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 30,000 · AAdvantage (4 dates) | 40,000 · AAdvantage (4 dates) | 57,500 · AAdvantage (4 dates) | 205,000 · AAdvantage (4 dates) | |
| 22,500 · AAdvantage (5 dates) | 40,000 · AAdvantage (6 dates) | 57,500 · AAdvantage (5 dates) | 85,000 · AAdvantage (4 dates) | |
| 30,000 · AAdvantage (1 date) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (1 date) | — | |
| 22,500 · AAdvantage (2 dates) | 40,000 · AAdvantage (2 dates) | 57,500 · AAdvantage (2 dates) | — | |
| 22,500 · AAdvantage (1 date) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (1 date) | — | |
| 22,500 · AAdvantage (5 dates) | 40,000 · AAdvantage (6 dates) | 57,500 · AAdvantage (5 dates) | — | |
| 75,000 · Miles&Smiles (1 date) | — | 175,000 · Miles&Smiles (1 date) | — | |
| 21,000 · AAdvantage (3 dates) | 40,000 · AAdvantage (3 dates) | 57,500 · AAdvantage (3 dates) | — | |
| 21,000 · AAdvantage (2 dates) | 74,000 · AAdvantage (2 dates) | 132,000 · AAdvantage (2 dates) | — | |
| 34,000 · AAdvantage (2 dates) | 85,000 · AAdvantage (2 dates) | 165,500 · AAdvantage (2 dates) | — | |
| 21,000 · AAdvantage (1 date) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (1 date) | — |
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| Turkish Miles & Smiles | — | 1:1 · Instant | 1:1 · Instant | — | 1:1 · ~1 day | — |
Check current transfer bonuses. Most transfers can't be reversed.
Search, calendar and alerts from London Stansted (STN) to Washington Dulles (IAD)
Route calendar
Every departure date with open award seats on STN→IAD for American Airlines AAdvantage and the other programs: a limited window on the free plan and 365 days with Pro.
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Search London Stansted (STN) to Washington Dulles (IAD)How many miles you need from London Stansted (STN) to Washington Dulles (IAD)
- In economy, American Airlines AAdvantage had the lowest observed award, 21,000 miles + $235.13; see how many miles you need with American Airlines AAdvantage.
- In premium economy, American Airlines AAdvantage had the lowest observed award, 40,000 miles + $686.09; see how many miles you need with American Airlines AAdvantage.
- In business class, American Airlines AAdvantage had the lowest observed award, 57,500 miles + $827.89; see how many miles you need with American Airlines AAdvantage.
- In first class, American Airlines AAdvantage had the lowest observed award, 85,000 miles + $1,119.49; see how many miles you need with American Airlines AAdvantage.
Questions about award flights from London Stansted (STN) to Washington Dulles (IAD)
What's the lowest London Stansted (STN) to Washington Dulles (IAD) award price AwardTool has seen?
In economy, 21,000 miles + $235.13 with American Airlines AAdvantage. American Airlines AAdvantage showed economy award space on 26 departure dates at any price (newest observation Oct 19, 2026, 01:05 UTC). In business class, 57,500 miles + $827.89 with American Airlines AAdvantage. Seen Oct 13, 2026, 03:03 UTC for a Nov 20, 2026 departure. American Airlines AAdvantage showed business-class award space on 26 departure dates at any price (newest observation Oct 19, 2026, 01:05 UTC). Search live before transferring points.
Which loyalty programs had award space from London Stansted (STN) to Washington Dulles (IAD)?
2 programs in the last 30 days: American Airlines AAdvantage (economy 26 dates, premium economy 28 dates, business class 26 dates, first class 8 dates); Turkish Miles & Smiles (economy 13 dates, business class 13 dates). Dates count departure dates with an open award.
Is there nonstop award space from London Stansted (STN) to Washington Dulles (IAD)?
Yes. AwardTool observed nonstop award space in economy, premium economy and business class, bookable via American Airlines AAdvantage. The lowest nonstop award in economy was 22,500 miles with American Airlines AAdvantage.
Which credit card points can book awards from London Stansted (STN) to Washington Dulles (IAD)?
Bilt Rewards: Turkish Miles & Smiles (1:1). Capital One Miles: Turkish Miles & Smiles (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1), Turkish Miles & Smiles (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.
Which months had the lowest award prices from London Stansted (STN) to Washington Dulles (IAD)?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers: in economy, the lowest award was for May 2027 departures, 21,000 miles with AAdvantage (3 dates); in business class, the lowest award was for Nov 2026 departures, 57,500 miles with AAdvantage (5 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.